The admitted mastermind of one of the most serious terror threats since the Sept. 11, 2001, attacks — a foiled plot to attack New York City subways — testified Wednesday that al-Qaida trainers taught him a “very simple” formula for making suicide bombs.

However, the apparent accidental attacks that U.S. drones carried out on a Pakistan border outpost, killing at least 24 Pakistani soldiers may have just made diplomacy close to impossible with one of the most volatile, dangerous and important countries in the world.

The United States paid more than $2 million to get Raymond Davis out of Pakistan. Now the CIA contractor faces felony charges of assault in Douglas County after he allegedly got in a fight over a parking space.